Electrical pulse counters – pulse dividers – or shift registers: c – Applications – Measuring or testing
Patent
1995-10-27
1997-07-22
Wambach, Margaret Rose
Electrical pulse counters, pulse dividers, or shift registers: c
Applications
Measuring or testing
G01B 700
Patent
active
056510390
ABSTRACT:
For determining a displacement of an object (41) from sheetlike material along an observing position (11, 12), each time the object (41) has been displaced over a particular distance, a pulse is generated. The passing object (41) is scanned, whereby a plurality of samples are generated between two pulses, independently of the displacement of the object (41), and to these samples moreover sequence information (37) is coupled. The number of samples between two pulses (39) and the number of generated pulses (38) are counted. The sequence information (37, 38) coupled to identified samples and the counted number of samples between two pulses (39) are used to determine the displacement of the object with greater accuracy than would be possible with the displacement-dependent pulses alone, without requiring that to this end interpolation pulses be generated and processed which are to be processed separately.
REFERENCES:
patent: 3735260 (1973-05-01), Hartline et al.
patent: 5138640 (1992-08-01), Fleck et al.
patent: 5181705 (1993-01-01), Ueda et al.
patent: 5243473 (1993-09-01), Lee
patent: 5246117 (1993-09-01), Zivley
patent: 5255987 (1993-10-01), Mizuno et al.
Edens Bertus Karel
Hidding Gerhard
Hadewe B.V.
Wambach Margaret Rose
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